Deep hole marking kit with double-tipped, deep hole permanent marker pen, deep hole construction pencil and replacement lead set, featuring site holsters and trouser clips with in-built sharpener. All purpose, 2B construction pencil with fully extendable lead. Pencil marks up to 100mm deep in a 3mm width hole and up to 145mm deep in a 6mm width hole. Lead set includes 6 x 2.8mm 2B graphite leads stored in an anti-snap lead dispenser. Dual-tipped construction marker pen features 1-2 and 1-3mm nib. Pen achieves deep hole marking up to 48mm deep in a 5mm width hole. Pen and pencil both include site holsters for ease of use. Extendable Lead 2B Pencil Dual-Tipped Marker Pen Trouser Clip with In-Built Sharpener Extendable Lead 2B Pencil Dual-Tipped Marker Pen Trouser Clip with In-Built Sharpener