Product Features:Unique design switches easily from internal/external operationComfortable cushion grips feature storage for spare tipsChange tips easily with included hex keySpecs: Internal rings from 7/8 to 1-7/8 in. (22-48mm), External rings from 5/16 to - 1-7/8 in. (8-48mm), Overall Length: 7 in., Width: 5 in., Thickness: 0.9 in.Tips included: 1.8mm & 1.2mm in both straight and 90
